loongson/pypi: links for cdn-proxy

loongson/mirror cdn-proxy-0.1.8.tar.gz
loongson/mirror cdn_proxy-0.1.8-py3-none-any.whl
loongson/mirror cdn-proxy-0.1.7.tar.gz
loongson/mirror cdn_proxy-0.1.7-py3-none-any.whl
loongson/mirror cdn-proxy-0.1.3.tar.gz
loongson/mirror cdn_proxy-0.1.3-py3-none-any.whl